Johnson Level & Tool Mfg. 40-6517 - Manual (Page 12)

3. Operation Guide
(a) Installation of battery
• Open the battery-box cap and connect the cable inside with the
two polarities of the 9V battery.
Note: Take the battery out if the detector if not used for a long time.
• Put the 9V battery into the battery box and close the battery-box cap.
(b) Turn on/off
• Press the on/off button. When Power symbol is
displayed, the detector is ready for coarse
detection.
• When low battery symbol is displayed, change
the battery.
• Press the on/off button again to turn off the
detector.
c) Using the clamp holder
1. clamp bolt
2. screw
• Position the detector on the clamp
holder using the screw of the clamp
holder.
• Position the clamp holder on rod
using the clamp bolt of the clamp
holder.
12 ©2010 Johnson Level & Tool - Rev. 1
3515H-All_Manuals 6/2/10 10:16 AM Page 12